456484591 has 2 divisors, whose sum is σ = 456484592. Its totient is φ = 456484590.

The previous prime is 456484583. The next prime is 456484667. The reversal of 456484591 is 195484654.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 456484591 - 2³ = 456484583 is a prime.

It is the 21366-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (456484531) by changing a digit.

It is a nontrivial repunit in base 21365.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228242295 + 228242296.

It is an arithmetic number, because the mean of its divisors is an integer number (228242296).

Almost surely, 2^456484591 is an apocalyptic number.

456484591 is a deficient number, since it is larger than the sum of its proper divisors (1).

456484591 is an equidigital number, since it uses as much as digits as its factorization.

456484591 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 691200, while the sum is 46.

The square root of 456484591 is about 21365.5000175517. The cubic root of 456484591 is about 769.9727830938.

The spelling of 456484591 in words is "four hundred fifty-six million, four hundred eighty-four thousand, five hundred ninety-one".